A Focusing Property of the Ellipse

DOI10.2307/2975602zbMath0804.51020OpenAlexW4237443315MaRDI QIDQ4293901

Marc Frantz

Publication date: 10 July 1994

Published in: The American Mathematical Monthly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2975602

zbMATH Keywords

ellipsereflectionfocus rays

Mathematics Subject Classification ID

Elementary problems in Euclidean geometries (51M04)

Related Items (5)

Billiard transformations of parallel flows: a periscope theorem ⋮ Numerical exploration of a hexagonal string billiard ⋮ The Cramer-Castillon problem and Urquhart's `most elementary' theorem. ⋮ Perturbations of elliptic billiards ⋮ Rays of light trapped by conics

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